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Nostrana [21]
3 years ago
9

Scientists claim that climate change is happening because Earth is warming. They also claim that humans have helped cause the wa

rming by adding greenhouse gases to the atmosphere. Other people claim that Earth is not experiencing climate change because some winter days are still very cold. Use evidence to evaluate each claim about climate change.
help
this is science.
Chemistry
2 answers:
Vesna [10]3 years ago
5 0

Answer:

There is solid proof that global warming is increasing and getting worse by t he day. The ice caps slowly melt more and more each year due to this which is a proven fact. On top of that, it has been proven that carbon emission by humans is bad for the environment and it helps increase the problem of global warming by weakening our atmosphere. As for the cold days, just because we have global warming doesn't mean the earth weather wont be cold. global warming is something that slowly happens and over time the temperature global has actually been increasing at a not very notice able pace.

Explanation:

seraphim [82]3 years ago
4 0

Answer:

I belive we are in climate change each year the earth gets closer to the sun and pollution from cars and factories cause the earth to warm up and cause pollution in our air.  plastic is in the ocean, ice caps are melting, and the ocean is rising climate change is alredy here.

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Consider a hypothetical reaction in which A and B are reactants, and C and D are products. If 26 grams of A completely reacts wi
natali 33 [55]

Answer:

The answer to your question is: 24 grams of D

Explanation:

To answer this question we need to remember the Lavoisier law of conservation of mass, which says that in a chemical reaction matter is neither created nor destroyed.

This means that the amount of matter stays the same.

Then, the reaction is

                    A      +      B      ⇒       C      +      D

                 26 g         12 g             14 g            x

mass                              

of reactants      38 g                              ?          mass of products, but it must be

                                                                          equal to the mass of products

Then                14g + x = 38

                        x = 38 - 14

                        x = 24 g of D                                                        

4 0
3 years ago
Which of the following statements are true about elements and compounds?
Leto [7]
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If zinc has an atomic number of 30 and a mass number of 65 what is the correct number of protons neutrons and electrons ?
ioda

Answer:

Explanation:

Name                 Zinc

Atomic Mass            65.39 atomic mass units

Number of Protons   30

Number of Neutrons      35

Number of Electrons      30

4 0
3 years ago
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A hydrogen atom has a diameter of about 10 nm. Express this diameter in micrometers, meters, and millimeters.
MariettaO [177]

1) 1 nm = 0.001 µm; one nanometer is equal to 0.001 (10⁻³) micrometer.

d(H) = 10 nm; diameter of hydrogen atom.

d(H) = 10 nm · 0.001 µm/nm.

d(H) = 0.01 µm = 10⁻² µm.

2) 1 nm = 10⁻⁹ m ; one meter is equal to 0.0000000001 (10⁻⁹) meter.

d(H) = 10 nm.

d(H) = 10 nm · 10⁻⁹ m/nm.

d(H) = 0.00000001 m = 10⁻⁸ m.

3) 1 nm = 10⁻⁶ mm ; one nanometer is equal to 0.000001 (10⁻⁶) millimeter.

d(H) = 10 nm · 10⁻⁶ mm/nm.

d(H) = 0.00001 mm = 10⁻⁵ mm.

4 0
3 years ago
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